28375881

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1\times {\mathrm{659}}^1$

素因数の和:1156

約数の個数: 16

約数和(自身を含む): 39198720

約数和(自身を除く): 10822839

約数列:

[1, 3, 31, 93, 463, 659, 1389, 1977, 14353, 20429, 43059, 61287, 305117, 915351, 9458627, 28375881]

約数ペア:

[(1, 28375881), (3, 9458627), (31, 915351), (93, 305117), (463, 61287), (659, 43059), (1389, 20429), (1977, 14353)]